add_action( 'wp_head', 'add_viewport_meta' ); function add_viewport_meta() { // Force desktop view only on the page with a slug of 'about-us' if ( is_page( 'about-us' ) ) { $viewport_meta = 'width=1024'; // desktop } else { $viewport_meta = 'width=device-width, initial-scale=1.0'; // responsive } ?>